Physics – Chemical Physics
Scientific paper
2009-05-06
J. Phys. Soc. Jpn. 78 (2009) 094302
Physics
Chemical Physics
17 pages, 4 figures
Scientific paper
10.1143/JPSJ.78.094302
A simple method to control molecular translation with a chemical reaction is demonstrated. Slow NO molecules have been produced by partially canceling the molecular beam velocity of NO$_2$ with the recoil velocity of the NO photofragment. The NO$_2$ molecules were photodissociated using a UV laser pulse polarized parallel to the molecular beam. The spatial profiles of NO molecules showed two peaks corresponding to decelerated and accelerated molecules, in agreement with theoretical prediction. A significant portion of the decelerated NO molecules stayed around the initial dissociation positions even several hundred nanoseconds after their production.
Chung Doo Soo
Park Sung Tai
Shin So Eun
Sun Xingnan
Zhao Bum Suk
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